SRPS EN 50464-2-3:2009

Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 2-3: Distribution transformers with cable boxes on the high-voltage and/or low-voltage side - Cable boxes type 2 for use on distribution transformers meeting the requirements of EN 50464-2-1

Scope

Cable boxes described in this European Standard correspond to cable boxes Type 2 in EN 50464-2-1 and are suitable for assembly on the cover of oil-immersed distribution transformers meeting the requirements of EN 50464-2-1. Cable boxes are air-filled, metal- or non-metal enclosed, for high- and/or low-voltage connections in the following variations: 1.1 High-voltage side a) Connection directly to bushings; b) Connection via busbar system. 1.2 Low-voltage side a) Connection directly to bushings (maximum of four connectors per bushing); b) Connection via busbar system.